Technology / product information

DISOCO (Song Cong Diesel Limited Company), based in Thai Nguyen Province in northern Vietnam, is a comprehensive manufacturer specializing in hot forging. With decades of collaboration with Japanese companies, DISOCO has earned a strong reputation for delivering consistent quality, reliable lead times, and competitive pricing, especially for forged components in the automotive, motorcycle, and industrial machinery sectors.

■ Mass Production Capacity – Over 10,000 Tons Annually
DISOCO operates two dedicated hot forging plants within its premises, boasting a total production capacity exceeding 11,700 tons per year for forged parts ranging from 1kg to 20kg. Utilizing induction heating systems for precise temperature control, the company achieves high-precision forging that enhances the inherent properties of steel. This ensures stable, high-volume production of critical components such as engine parts and chassis structures, where safety and durability are paramount.
- Key Equipment: Hydraulic forging hammers (63kJ, 80kJ), hot forging presses (1,000T, 1,600T)
- Technical Partnership: Long-standing collaboration with Japan’s Gosho Co., Ltd., including crankshaft production for Honda

■ Flexible Material Capabilities – Optimized Forging Conditions by Material
DISOCO supports a broad range of steel materials, tailoring forging conditions for each type to meet specific application requirements:
- Carbon steels (S20C, S35C, S45C): Under brackets, swing arms
- Chromium molybdenum steels (SCM420H, SCM440): Gears, towing hooks
- Alloy steel (35XM): Crankshafts (~10kg)
- Stainless steel (SUS316): Fittings (~0.18kg)
Every forging process is optimized for heating temperature, holding time, and die structure, ensuring dimensional accuracy and repeatability.

■ Proven Quality and Customer Trust
- Testing & Processing: Magnetic particle inspection, heat treatment (quenching/tempering), hardness testing
- Certifications: IATF 16949 and ISO 9001
- Client Portfolio: Supplying to major global OEMs such as Piaggio, Schaeffler, and Honda, with millions of units shipped annually

■ Why Choose DISOCO for Hot Forging?
Precision Thermal Control: Minimizes material variation with optimized heat profiles per alloy
- In-House Die Design: Custom tooling for complex geometries and high-strength parts
- Full In-House Production: From raw material sourcing to forging, machining, inspection, and delivery
- High Accuracy & Fast Turnaround: Robust production management ensures tight tolerances even at mass-production volumes
With a fully integrated production system based in northern Vietnam, DISOCO produces over 11,700 tons of hot-forged parts annually for the automotive and industrial sectors. By accommodating a wide range of materials—carbon, alloy, and stainless steels—and maintaining strict quality controls, DISOCO delivers precision-engineered components to meet exacting client specifications. Certified to IATF 16949 and ISO 9001, we are your trusted partner for reliable and high-performance forging solutions.
Looking for hot forging solutions in Vietnam? Please feel free to contact me if you need any further assistance.